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Sample characteristics: Puerto Rico

Census/survey characteristics
Type Census
Title 1970 Census of Population and Housing
Statistical agency U.S. Census Bureau
Population universe Residents of Puerto Rico
De jure or de facto De jure
Census/survey day April 1, 1970
Questionnaire One in five housing units in 1970 received a long form containing supplemental sample questions.
Type of fieldwork Direct and self-enumeration
Microdata sample characteristics
Sample design 1-in-100 national random sample of the population, drawn by the U.S. Census Bureau. Three independent 1 percent public use samples were produced for 1970, each privileging a particular geography: neighborhood, municipio, and "state". IPUMS-International uses the municipio sample.
Sample fraction 1%
Sample size (person records) 27,212
Sample weights Self-weighting (expansion factor = 100).
Units identified in microdata
Dwellings No
Vacant units Yes
Households Yes
Collective dwellings Yes
Smallest geography Metropolitan areas and county groups with 250,000+ population
Unit definitions
Dwellings N/A
Households Dwelling places with fewer than five persons unrelated to a household head, excluding institutions and transient quarters.
Collective dwellings Institutions, transient quarters, and dwelling places with five or more persons unrelated to a household head.
Census/survey characteristics
Type Census
Title 1980 Census of Population and Housing
Statistical agency U.S. Census Bureau
Population universe Residents of Puerto Rico.
De jure or de facto De jure
Census/survey day April 1, 1980
Questionnaire The 1980 census employed a single long form questionnaire completed by one-half of housing units in places with a population under 2,500 and one-sixth of other housing units.
Type of fieldwork Direct and self-enumeration
Microdata sample characteristics
Sample design 1-in-20 national random sample of the population drawn by the U.S. Census Bureau
Sample fraction 5%
Sample size (person records) 160,219
Sample weights Self-weighting (expansion factor = 20).
Units identified in microdata
Dwellings No
Vacant units Yes
Households Yes
Collective dwellings Yes
Smallest geography PUMAS (Public Use Microdata Areas (PUMAs) containing 100,000 or more residents
Unit definitions
Dwellings N/A
Households Dwelling places with fewer than ten persons unrelated to a household head, excluding institutions and transient quarters.
Collective dwellings Institutions, transient quarters, and dwelling places with ten or more persons unrelated to a household head.
Census/survey characteristics
Type Census
Title 1990 Census of Population and Housing
Statistical agency U.S. Census Bureau
Population universe Residents of Puerto Rico
De jure or de facto De jure
Census/survey day April 1, 1990
Questionnaire The 1990 census used a single long-form questionnaire completed by one-half of persons in places with a population under 2,500, one-sixth of persons in other tracts and block numbering areas with fewer than 2,000 housing units, and one-eighth of all other areas. Overall, about one-sixth of housing units completed a long form.
Type of fieldwork Direct and self-enumeration
Microdata sample characteristics
Sample design 1-in-20 national random sample of the population drawn by the U.S. Census Bureau
Sample fraction 5%
Sample size (person records) 177,655
Sample weights Weights computed by census agency should be used for most types of analysis.
Units identified in microdata
Dwellings No
Vacant units Yes
Households Yes
Collective dwellings Yes
Smallest geography PUMAS (Public Use Microdata Areas (PUMAs) containing 100,000 or more residents
Unit definitions
Dwellings N/A
Households Dwelling places with fewer than ten persons unrelated to a household head, excluding institutions and transient quarters.
Collective dwellings Institutions, transient quarters, and dwelling places with ten or more persons unrelated to a household head.
Census/survey characteristics
Type Census
Title 2000 Census of Population and Housing
Statistical agency U.S. Census Bureau
Population universe Residents of Puerto Rico
De jure or de facto De jure
Census/survey day April 1, 2000
Questionnaire The 2000 census used a long form questionnaire. Long Form Sampling Entities (LFSEs) were used to determine sampling rates. If the smallest LFSE that included all or any part of a block had an estimated housing unit count of less than 800, the housing units in the block were sampled at a 1-in-2 rate. If it had an estimated housing unit count of 800 or more but less than 1,200, units were sampled at a 1-in-4 rate. If a block was not in either of the two previous categories, and was part of an interim census tract with 2,000 or more estimated housing units, units were sampled at a 1-in-8 rate. Housing units in all remaining blocks were sampled at a 1-in-6 rate. When all sampling rates were taken into account across the nation, approximately 1 out of every 6 housing units was included in the Census 2000 sample.
Type of fieldwork Direct and self-enumeration
Microdata sample characteristics
Sample design 1-in-20 national random sample of the population drawn by the U.S. Census Bureau
Sample fraction 5%
Sample size (person records) 189,828
Sample weights Weights computed by census agency should be used for most types of analysis.
Units identified in microdata
Dwellings No
Vacant units Yes
Households Yes
Collective dwellings Yes
Smallest geography PUMAS (Public Use Microdata Areas (PUMAs) containing 100,000 or more residents
Unit definitions
Dwellings N/A
Households Dwelling places excluding institutions and transient quarters.
Collective dwellings No threshold was applied; in order for a household to be considered group quarters in 2000, it had to be on the list of group quarters that is continuously maintained by the Census Bureau.
Census/survey characteristics
Type Survey
Title 2005 Puerto Rico Community Survey
Statistical agency U.S. Census Bureau
Population universe Residents of Puerto Rico
De jure or de facto De jure
Census/survey day No specific day
Questionnaire The 2005 Puerto Rico Community Survey employed a single long form questionnaire completed by one in 100 of households.
Type of fieldwork Direct and self-enumeration
Microdata sample characteristics
Sample design 1-in-100 national random sample drawn by the U.S. Census Bureau
Sample fraction 1%
Sample size (person records) 35,416
Sample weights Weights computed by census agency should be used for most types of analysis.
Units identified in microdata
Dwellings No
Vacant units Yes
Households Yes
Collective dwellings No
Smallest geography PUMAS (Public Use Microdata Areas (PUMAs) containing 100,000 or more residents
Unit definitions
Dwellings N/A
Households Dwelling places excluding institutions and transient quarters.
Collective dwellings Not included in microdata sample.
Census/survey characteristics
Type Survey
Title 2010 Puerto Rico Community Survey
Statistical agency U.S. Census Bureau
Population universe Residents of Puerto Rico
De jure or de facto De jure
Census/survey day No specific day
Questionnaire The 2010 Puerto Rico Community Survey employed a single long form questionnaire completed by one in 100 of households.
Type of fieldwork Direct and self-enumeration
Microdata sample characteristics
Sample design 1-in-100 national random sample drawn by the U.S. Census Bureau
Sample fraction 1%
Sample size (person records) 36,032
Sample weights Weights computed by census agency should be used for most types of analysis.
Units identified in microdata
Dwellings No
Vacant units Yes
Households Yes
Collective dwellings Yes
Smallest geography Microdata areas with 100,000+ population
Unit definitions
Dwellings N/A
Households Dwelling places excluding institutions and transient quarters.
Collective dwellings A place where people live or stay, in a group living arrangement, that is owned or managed by an entitiy or organization providing housing and/or services for the residents. This is not a typical household-type living arrangement. These services many include custodial or medical care as well as other types of assistance, and residency is commonly restricted to those receiving these services. People living in group quarters are usually not related to each other.